**KELOWNA, British Columbia —** A professor at the University of British Columbia believes he has come up with a viable mathematical model for time travel.

Ben Tippett — a mathematics and physics teacher who specializes in Einstein’s theory of general relativity — recently **published a paper** that describes an actual method for the popular science fiction phenomenon.

“People think of time travel as something as fiction,” says Tippett in a **university media release.** “And we tend to think it’s not possible because we don’t actually do it. But, mathematically, it is possible.”

According to Tippett, the three spatial dimensions and time — sometimes known as the fourth dimension — should be imagined simultaneously as an interwoven continuum, and that the curvature of spacetime by large objects as predicted by Einstein’s theories could hold the key to bending time into a circular pattern, much like a clock.

“The time direction of the space-time surface also shows curvature. There is evidence showing the closer to a black hole we get, time moves slower,” he explains. “My model of a time machine uses the curved space-time to bend time into a circle for the passengers, not in a straight line. That circle takes us back in time.”

Though the concept of a time travel device has been peddled since the days of HG Wells, Tippett doubts anyone can actually build a machine that could travel to time.

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“While is it mathematically feasible, it is not yet possible to build a space-time machine because we need materials — which we call exotic matter — to bend space-time in these impossible ways, but they have yet to be discovered.”

Tippett’s research included a mathematical model for a time machine known as the TARDIS — popularized by hit TV show *Doctor Who* — which he described as a bubble of spacetime geometry that can carry its content forwards and backwards through time in a circular path faster than the speed of light, according to the press release.

Tippett’s **research was published** in the journal *Classical and Quantum Gravity.*